package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    //动态条件查询
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    //更新商品数量
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    //购物车插入数据
    @Insert("insert into shopping_cart (name,user_id,dish_id,setmeal_id,dish_flavor,number,amount,image,create_time) " +
            "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    //根据用户id来删除购物车数据
    @Delete("delete from shopping_cart where user_id=#{userId} ")
    void deleteByUserId(Long userId);

    //根据id删除购物车中一条数据
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    //批量插入购物车数据
    void insertBatch(List<ShoppingCart> shoppingCartList);

    //

}
